I got ten bucks that says it's a sensor. Aftermarket sensor, I'm guessing, maybe was installed at some point and the ECU is very fickle about any voltage drop. Cheap fix ... replace with OEM. Thirty minute job ... YouTube it. Don't even have to remove the tire. Two in the front, one in the back...
Just to chime back in … these guys are right about the sensor. Make sure you’re using Toyota OEM sensor parts. There’s a couple threads on here where people of used aftermarket sensors and couldn’t quite get the system to work.
Hey buddy, what part of the world are you in? This something that just started? How long have you had the car? Couple of things you can do ... check that the fluid level is correct between the low and high marks in the tank. Will the car move into high mode? Or is it stuck in "low" ... if you...